fpu_extern.h revision 176501 
1/*	$NetBSD: fpu_extern.h,v 1.3 2005/12/11 12:18:42 christos Exp $	*/
2/* $FreeBSD: head/sys/powerpc/fpu/fpu_extern.h 176501 2008-02-24 03:01:26Z marcel $ */
3
4/*-
5 * Copyright (c) 1995 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Christos Zoulas.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgement:
21 *        This product includes software developed by the NetBSD
22 *        Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 *    contributors may be used to endorse or promote products derived
25 *    from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40struct proc;
41struct fpreg;
42struct trapframe;
43union instr;
44struct fpemu;
45struct fpn;
46
47/* fpu.c */
48int fpu_emulate(struct trapframe *, struct fpreg *);
49int fpu_execute(struct trapframe *, struct fpemu *, union instr *);
50
51/* fpu_explode.c */
52int fpu_itof(struct fpn *, u_int);
53int fpu_xtof(struct fpn *, u_int64_t);
54int fpu_stof(struct fpn *, u_int);
55int fpu_dtof(struct fpn *, u_int, u_int);
56
57/* fpu_implode.c */
58u_int fpu_ftoi(struct fpemu *, struct fpn *);
59u_int fpu_ftox(struct fpemu *, struct fpn *, u_int *);
60u_int fpu_ftos(struct fpemu *, struct fpn *);
61u_int fpu_ftod(struct fpemu *, struct fpn *, u_int *);
62
63